My guess is it will be hot, which is why I am leaving at 6am. It's oregon so humidity should not be that bad. I just remeber when I did my first unsupported metric and the person that planned it did not plan water stops, so we ran out in the middle of no ware.
The plan just has me going past a sign that reads, no gas for the next 70 miles. So I am just a bit concerned with having enough. I guess I could bring a water filter for that.